Nyquist Rate
• According to signal processing theory, the sampling process generates
images of the input signal around the sampling frequency
• It can be seen that if the input frequency is higher than half the
sampling frequency, there will be corruption of the information by the
image.
4 5 8 10 12 16
Sampling of
interest
Sampling
Frequency
6 14
Images
Input
Frequency
Limit
Frequencies
of interest
Frequency (KHz)
Analog and Mixed Signal Center, TAMU
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